CN1035789A - 高耐磨、抗冲击堆焊焊条 - Google Patents

高耐磨、抗冲击堆焊焊条 Download PDF

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CN1035789A
CN1035789A CN 88106249 CN88106249A CN1035789A CN 1035789 A CN1035789 A CN 1035789A CN 88106249 CN88106249 CN 88106249 CN 88106249 A CN88106249 A CN 88106249A CN 1035789 A CN1035789 A CN 1035789A
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surfacing welding
carbon
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CN1007414B (zh
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李书祯
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053—Fe as the principal constituent
    • B23K35/3093—Fe as the principal constituent with other elements as next major constituents

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetallic Welding Materials (AREA)

Abstract

一种高耐磨、抗冲击堆焊焊条。其焊芯为H08A钢，药皮由含钒铁38-44、钛白粉2-4、萤石2-4、石墨2-6、大理石27-35、中碳锰铁7-10、高碳铬铁14-18、氮化硼2.8-6.2组成(重量比)。这种焊条的HRc一般在60左右，最高可达65。它抗冲击性能强，在中等冲击下焊层不出现裂纹、剥落。用它焊接破碎机、锤头等。试验结果，锤子寿命提高了四倍。

Description

本发明属于一种焊接材料。
已有的耐磨堆焊焊条的药皮多以含有碳化钨的合金为原料，这种堆焊焊条的堆焊层硬度HRC＝58～62，红硬性高，耐磨性好，但只适用于轻度冲击下的强烈磨料磨损场合，且所堆焊的工件还需焊前予热，焊后缓冷，否则焊层极易产生裂纹，在中度冲击下较快出现疲劳，从而焊层大量剥落，使用范围受到限制。再者碳化钨堆焊合金的价格也偏高。
本发明的目的是研究一种堆焊焊条，它的堆焊层既具有高的耐磨性能，又具有强的承受冲击能力;另外，它焊接时不必预热工件。
本堆焊焊条是这样实现的，它采用H08A号钢为焊芯。药皮由适当配比的钒铁、钛白粉、萤石、石墨、大理石、中碳锰铁、高碳铬铁、氮化硼制成。它的优选比例（重量比）范围为：
钒铁    38～44    大理石    27～35
钛白粉    2～4    中碳锰铁    7～10
萤石    2～4    高碳铬铁    14～18
石墨    2～6    氮化硼    2.8～6.2
经试验，选出最佳的五种组分见表1中的Ⅰ～Ⅴ。
这种高耐磨抗冲击堆焊焊条的堆焊层硬度HRC一般在60～62左右，最高可达65。它常温下的耐磨性能相当于45＃钢的20倍以上，高温下耐磨性能可达到铸铁的7～9倍，堆焊层抗裂性明显优于其它焊条，它能承受中低等级冲击下的强烈磨料磨损。焊接时工件不必予热和焊后不要求缓冷。它用于多层焊时也不出现裂纹。这种药皮原料在生产焊条时可以压涂。
Figure 881062499_IMG1

Claims (7)

1、一种高耐磨、抗冲击堆焊焊条，其特征在于它的焊芯为H08A号钢，药皮成份范围为：(按重量比)
钒铁    38～44    大理石    27～35
钛白粉  2～4      中碳锰铁  7～10
萤石    2～4      高碳铬铁  14～18
石墨    2～6      氮化硼    2.8～6.2。
2、根据权利要求1的堆焊焊条，其特征在于药皮的成份为：（按重量比）
钒铁  44  大理石  35
钛白粉  2  中碳锰铁  9
萤石  2  高碳铬铁  16
石墨  4  氮化硼  2.8
3、根据权利要求1的堆焊焊条，其特征在于药皮的成份为：（按重量比）
钒铁  38  大理石  27
钛白粉  3  中碳锰铁  10
萤石  3  高碳铬铁  17
石墨  5  氮化硼  4
4、根据权利要求1的堆焊焊条，其特征在于药皮的成份为：（按重量比）
钒铁  39  大理石  29
钛白粉  4  中碳锰铁  8
萤石  4  高碳铬铁  18
石墨  6  氮化硼  6.2
5、根据权利要求1的堆焊焊条，其特征在于药皮的成份为：（按重量比）
钒铁  41  大理石  30
钛白粉  3  中碳锰铁  7
萤石  3  高碳铬铁  15
石墨  2  氮化硼  3
6、根据权利要求1的堆焊焊条，其特征在于药皮的成份为：（按重量比）
钒铁  43  大理石  28
钛白粉  2  中碳锰铁  8
萤石  2  高碳铬铁  14
石墨  3  氮化硼  5
CN 88106249 1988-08-31 1988-08-31 高耐磨、抗冲击堆焊焊条 Expired CN1007414B (zh)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1049170C (zh) * 1995-05-09 2000-02-09 王建军 修补铁路道岔专用焊条
CN1059621C (zh) * 1995-08-16 2000-12-20 山东工业大学 碳化钛－碳化锆－碳化钒系高硬度耐磨堆焊焊条
CN1067922C (zh) * 1996-07-15 2001-07-04 潘国嶍 一种修复冷轧辊的工艺方法
CN1074322C (zh) * 1996-07-15 2001-11-07 潘国嶍 用普通钢料制取冷轧辊的工艺方法
CN104476012A (zh) * 2014-10-31 2015-04-01 河海大学常州校区 一种铌强化耐磨堆焊焊条及其制备方法
CN104999194A (zh) * 2015-08-13 2015-10-28 武汉铁锚焊接材料股份有限公司 一种镀铝不锈钢焊接用药芯焊丝
CN108890169A (zh) * 2018-08-06 2018-11-27 万国雄 一种含有高碳铬铁的耐磨型堆焊焊条

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100482402C (zh) * 2007-10-11 2009-04-29 攀钢集团攀枝花钢铁研究院 焊条及其制备方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1049170C (zh) * 1995-05-09 2000-02-09 王建军 修补铁路道岔专用焊条
CN1059621C (zh) * 1995-08-16 2000-12-20 山东工业大学 碳化钛－碳化锆－碳化钒系高硬度耐磨堆焊焊条
CN1067922C (zh) * 1996-07-15 2001-07-04 潘国嶍 一种修复冷轧辊的工艺方法
CN1074322C (zh) * 1996-07-15 2001-11-07 潘国嶍 用普通钢料制取冷轧辊的工艺方法
CN104476012A (zh) * 2014-10-31 2015-04-01 河海大学常州校区 一种铌强化耐磨堆焊焊条及其制备方法
CN104999194A (zh) * 2015-08-13 2015-10-28 武汉铁锚焊接材料股份有限公司 一种镀铝不锈钢焊接用药芯焊丝
CN108890169A (zh) * 2018-08-06 2018-11-27 万国雄 一种含有高碳铬铁的耐磨型堆焊焊条

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